cam a22 4 4500 569191564 CHVBK 20201020204048.0 190723s1988 ne 00 eng 90-70947-08-0 (IDSBB)002610033 (RERO)1879130 SzZuIDS BS/BE B563 kids s1ss rero CV 2000 rvk Saris Willem E. 1943- (DE-588)122871995 Variation in response functions a source of measurement error in attitude research Willem E. Saris Amsterdam Sociometric Research Foundation 1988 233 S. Series on sociometric research Sociométrie (RERO)A021004264 rero Series on sociometric research 3 (RERO)001879133 BK020000 XK020000 XK020000 RERO RE61040 RE61040 RE610400044 301.018 SAR SESA 33193 IDSBB B400 B400 400Q7 BeM VAA 3780 VRF_MR_6400 9 Akz: be/usoz/k/24102/bsw IDSBB 100 1- Saris Willem E. 1943- (DE-588)122871995 IDSBB 490 0- Series on sociometric research RERO 100 1- Saris Willem E. (IDREF)091975794 cre RERO 490 1- Series on sociometric research 3 RERO 830 -- Series on sociometric research 3 (RERO)001879133